CN103991518B - Naval vessel topside multilayer antiknock safeguard structure - Google Patents
Naval vessel topside multilayer antiknock safeguard structure Download PDFInfo
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- CN103991518B CN103991518B CN201410188128.5A CN201410188128A CN103991518B CN 103991518 B CN103991518 B CN 103991518B CN 201410188128 A CN201410188128 A CN 201410188128A CN 103991518 B CN103991518 B CN 103991518B
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Abstract
The present invention discloses a kind of naval vessel topside multilayer antiknock safeguard structure, comprise the doubleshell arranged in turn outside naval vessel hull, empty cabin, the first liquid tank and the 2nd liquid tank to inner side, in first liquid tank and the 2nd liquid tank, water-filling height h is the 0.70��0.80 of cabin height H, separated by the first separation plate between empty cabin and the first liquid tank, separated by the 2nd separation plate between first liquid tank and the 2nd liquid tank, being separated by the 3rd separation plate between cabin in 2nd liquid tank and naval vessel, the 2nd liquid tank is fixedly connected with towards body side, cabin with the many longitudinal box girders being spaced up and down. The structure pattern of the present invention has that weight is light, the capability of antidetonance good, residual intensity advantages of higher, when naval vessel topside is subject to blast impulse, it is possible to absorb major part blast impulse energy, avoids destroying warship cabin and personal casualty loss.
Description
Technical field
The present invention relates to a kind of hull structure, in particular to a kind of naval vessel ship side structure, belong to Marine engineering technical field.
Background technology
Along with the fast development of anti-ship missile technology, time operation in naval vessel, face more and more harsher blast threat. The hull structure on naval vessel, on-board equipment and personnel are caused damage in various degree by the shockwave produced by anti-ship missile fight portion instant of detonation and high speed fragments group, thus destroy the ability normally executed the task on naval vessel and even make its damaged sinking. Warship's safety system mainly contains deck protection, cohesive device, foot guard and special precautions composition, wherein maximum with the area of cohesive device again, the requirement of protection is the highest, topside is the most weak part on naval vessel, the antiknock safeguard structure set up at naval vessel topside can make naval vessel suffer anti-ship missile fight portion directly hit after its inner important equipment, ammunition and fuel bunker injury-free, to avoid occurring the serious consequence just causing warship to ruin people and die once hit.
Naval vessel topside must arrange the attack that safeguard structure could resist anti-ship missile effectively, at present, warship broadside protective structure realizes by increasing the thickness of depth and increase steel plate, considerably increases the deadweight of naval vessel hull structure, seriously affects the manipulation on naval vessel. Owing to middle-size and small-size ship structure depth is restricted, how to select new structure pattern and structured material, so that whole hull structure much slower weight while keeping should there be performance, and improve the barrier propterty of safeguard structure, it is that ship structure needs one of urgent problem solved.
Summary of the invention
It is an object of the invention to provide a kind of antiknock shock resistance that can improve naval vessel warship broadside protective structure, strengthen the protective capacities of naval vessel hull structure, it is to increase the vitality of naval ship structure.
The present invention is achieved by the following technical programs:
A kind of naval vessel topside multilayer antiknock safeguard structure, comprise the doubleshell arranged in turn outside naval vessel hull to inner side, empty cabin, first liquid tank and the 2nd liquid tank, described doubleshell comprises shell plating, 2nd shell plating and between the upper and lower every being fixed on shell plating, at least three layers of longitudinal division between 2nd shell plating, in first liquid tank and the 2nd liquid tank, water-filling height h is the 0.70��0.80 of cabin height H, separated by the first separation plate between empty cabin and the first liquid tank, separated by the 2nd separation plate between first liquid tank and the 2nd liquid tank, separated by the 3rd separation plate between cabin in 2nd liquid tank and naval vessel, 2nd liquid tank is fixedly connected with towards body side, cabin with the many longitudinal box girders being spaced up and down.
The present invention can also be realized further by following technical measures.
Aforesaid naval vessel topside multilayer antiknock safeguard structure, wherein said doubleshell spacing is m, empty cabin spacing n, n > 2m, empty cabin spacing n is not less than the first liquid tank spacing r and the 2nd liquid tank distance s.
Aforesaid naval vessel topside multilayer antiknock safeguard structure, wherein said shell plating, the 2nd shell plating, the first separation plate, the 2nd separation plate and the 3rd separation plate are metal clip central layer, the polymer core sandwich of layers that described metal clip central layer comprises the outside plate towards ship side direction, deviates from the interior plate in ship side direction and be filled between outside plate and interior plate, described metal clip central layer two ends are all closed with transverse slat.
Aforesaid naval vessel topside multilayer antiknock safeguard structure, wherein said outside plate and interior plate all adopt thickness to be that the high tensile steel plate of 3��25mm is made; Outside plate thickness a is greater than interior plate thickness b, polymer core sandwich of layers thickness c and outside plate thickness a than c/a > 3; Described polymer core material is urethane.
Aforesaid naval vessel topside multilayer antiknock safeguard structure, the cross section of wherein said longitudinal box girder is square, and longitudinal box girder adopts high tensile steel plate to make, and each inwall of longitudinal box girder is equipped with stiffening web.
The present invention has following useful effect:
1, the present invention adopts the multilayered structure of doubleshell, empty cabin, the first liquid tank and the 2nd liquid tank, when depth one timing of safeguard structure, the destruction to internal structure of exploding obviously is reduced in the empty cabin that naval vessel topside is arranged and two liquid tanks, though and due to rarefaction wave in the expansion of detonation product and liquid tank water single load is changed into distributed load the destruction area of internal structure is increased, but reduce strength at break. Expansion decompression is played in empty cabin, energy absorption portion explosion energy; Utilize the viscosity of the first liquid tank (filtration cabin) interior liquid that explosion wave and shell fragment are risen deceleration filteration, single load in wall can be made to become distributed load, the first separation plate and the 2nd separation plate acting in conjunction can be coordinated, reduce the deformation and failure of the 2nd separation plate. 2nd liquid tank can better absorb kinetic energy and the explosion wave energy of residue fragmentation, prevents the 3rd separation plate to be damaged. The capability of antidetonance is good, residual intensity height.
2, the metal clip central layer being made up of the polymer core sandwich of layers of two layers of high tensile steel plate and centre is increased by pressure and shock load has higher ability to bear. Metal clip core plate structure weight is light, and structure is simple, facilitates prefabricated, shortens the engineering time, is applicable to quick repairing. Metal clip central layer has good sound insulation damping effect, enhances the energy absorption ability of naval vessel ship side structure, enhances shock resistance and the resisting breakage of structure.
3, it is provided with at least three layers of longitudinal division in doubleshell, during the impact that longitudinal division is exploded, can effectively absorb the energy of explosion wave, contribute to strengthening the structural strength of naval vessel longitudinal direction. Decrease, by absorbing explosion energy, the destruction to endothecium structure of exploding, protect innermost layer the 2nd liquid tank of safeguard structure.
4, effectively improve hull structure ultimate bearing capacity at the 2nd liquid tank towards body side, cabin spaced longitudinal box girder side by side up and down, it is to increase to the resistivity of weapon damage effect, and the cable machinery longitudinally arranged is played certain provide protection. Longitudinal box girder also helps enhancing structural strength, it is to increase the stability of structure, is conducive to structure opposing fight damage.
The advantage and disadvantage of the present invention, by for illustration and explanation by the non-limitative illustration of preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
The advantage and disadvantage of the present invention, by for illustration and explanation by the non-limitative illustration of preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1;
Fig. 3 is the enlarged view of longitudinal box girder cross section.
Embodiment:
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in FIG. 1 to 3, the present invention comprise arrange in turn to inner side outside naval vessel hull doubleshell 1, empty cabin 2, first liquid tank 3 and the 2nd liquid tank 4, doubleshell comprises shell plating 11, the 2nd shell plating 12 and between the upper and lower every at least three layers of longitudinal division 13 being fixed between shell plating 11, the 2nd shell plating 12, first liquid tank and the 2nd liquid tank internal-filling liquid height h are the 0.70��0.80 of cabin height H, and in first liquid tank 3 of the present embodiment and the 2nd liquid tank 4, water-filling height h is the 0.75 of cabin height H. Now the antiknock ability of hull structure is consistent with during the full cabin of the first liquid tank 3 and the 2nd liquid tank 4 water-filling, therefore, it is possible to alleviate the deadweight of structure, it is to increase the manipulation on naval vessel. Separated by the first separation plate 21 between empty cabin 2 and the first liquid tank 3, separated by the 2nd separation plate 31 between the first liquid tank 3 and the 2nd liquid tank 4, separated by the 3rd separation plate 41 between cabin in the 2nd liquid tank 4 and naval vessel. Doubleshell spacing is m, empty cabin spacing n, n > 2m, empty cabin spacing n is not less than the first liquid tank spacing r and the 2nd liquid tank distance s.
Blast can be divided into contact detonation and noncontact blast. Noncontact blast is difficult to make naval vessel to produce cut and sink in most cases, it is difficult to naval vessel is formed havoc. Most of energy of contact detonation consumes in damage hull structure, makes hull local produce bigger cut, and part cabin intakes, and a large amount of cabin can be caused to intake, even cause naval vessel to sink under serious conditions. For contact detonation, empty cabin 2 provides deformation space to shell plating 11, the 2nd shell plating 12 of the doubleshell 1 during contact detonation, thus the pressure of rapid attenuating shock wave; First liquid tank 3 makes the velocity attenuation that the blast fragment of weapon fight portion and outside plate wears in it; 2nd liquid tank 4 intercepts fragmentation and shockwave again to the destruction of internal layer warship body.
When depth one timing of safeguard structure, owing to empty cabin 2, first liquid tank 3 and the 2nd liquid tank 4 obviously reduce the destruction to internal structure of exploding, and owing to single load can be changed into distributed load by the storage water in the expansion of detonation product, the first liquid tank 3 and the 2nd liquid tank 4 by rarefaction wave, although increasing the destruction area of the first liquid tank 3 and the 2nd liquid tank 4 internal structure, but being reduction of strength at break.
Shell plating 11, the 2nd shell plating 12, first separation plate 21, the 2nd separation plate 31 and the 3rd separation plate 41 are metal clip central layer, as shown in Figure 2, the polymer core sandwich of layers 113 that metal clip central layer comprises the outside plate 111 towards ship side direction, deviates from the interior plate 112 in ship side direction and be filled between outside plate 111 and interior plate 112, metal clip central layer two ends are all by transverse slat 114 welded closure. Outside plate, interior plate and transverse slat 114 all adopt thickness to be that the high tensile steel plate of 3��25mm is made. Polymer core sandwich of layers 113 material is urethane. Outside plate 111 thickness a is greater than interior plate 112 thickness b, polymer core 113 thickness c and outside plate thickness a than c/a > 3.
Polymer core sandwich of layers 113 energy absorption of urethane material is big, give full play to its shock-absorbing capacity, play better protection effect, improving integrally-built security, it is to increase the resisting breakage ability on naval vessel, the suction that can optimize structure can distribute, strengthen energy absorption ability, effectively raise the anti-knocking property of hull structure, and simplify the structure, be easy to manufacture.
Compared with traditional stiffened panel structure, its feature with high specific stiffness and high specific strength of metal clip central layer, fatigue, impact resistance, anti-blast impulse, vibration and noise reducing and fire prevention, heat insulation etc. in also there is excellent performance. Metal sandwich structure, as the novel texture of a kind of following engineer applied, has broad application prospects in field, naval vessel. When being subject to Strong Impact Loading effect, can effectively protect the important feature things such as the people being placed in thereafter and equipment.
2nd liquid tank 4 is soldered on the left of body side, cabin and the many longitudinal box girders 5 being spaced up and down; The spacing E of longitudinal box girder 5 is 2��2.5 times of longitudinal box girder vertical direction length of side F, and the present embodiment is 2 times. The cross section of the longitudinal box girder 5 of the present embodiment is square, longitudinal box girder 5 adopt high tensile steel plate to be welded into welding structural element that cross section is open squares, comprise two pieces of upper and lower plates 51 and two blocks of side plates 52, its each inwall is all welded with the stiffening web 53 that cross section is L-shaped, explodes impact property to improve the antiknock of longitudinal box girder 5.
The damage effect of blast is had enough resistivities by longitudinal box girder 5, even if certain root longitudinal box girder 5 wherein is damaged, remaining longitudinal box girder 5 still can ensure the total intensity of naval vessel hull. The excellent ability that the naval vessel topside multilayer antiknock safeguard structure of the present invention has a protecting against shock and anti-fragment kills and wounds, constitutes the inside barrier that a lot of stops blast to destroy, makes ship structure possess better antiknock ability.
The structure pattern of the present invention has that weight is light, the capability of antidetonance good, residual intensity advantages of higher, when naval vessel topside is subject to blast impulse, it is possible to absorb major part blast impulse energy, avoids destroying warship cabin and personal casualty loss.
In addition to the implementation, the present invention can also have other enforcement modes, and all employings are equal to replacement or the technical scheme of equivalent transformation type one-tenth, all drop in the protection domain of requirement of the present invention.
Claims (7)
1. a naval vessel topside multilayer antiknock safeguard structure, it is characterized in that, comprise the doubleshell arranged in turn outside naval vessel hull to inner side, empty cabin, first liquid tank and the 2nd liquid tank, described doubleshell comprises shell plating, 2nd shell plating and between the upper and lower every being fixed on shell plating, at least three layers of longitudinal division between 2nd shell plating, in first liquid tank and the 2nd liquid tank, water-filling height h is the 0.70��0.80 of cabin height H, separated by the first separation plate between empty cabin and the first liquid tank, separated by the 2nd separation plate between first liquid tank and the 2nd liquid tank, separated by the 3rd separation plate between cabin in 2nd liquid tank and naval vessel, 2nd liquid tank is fixedly connected with towards body side, cabin with the many longitudinal box girders being spaced up and down.
2. naval vessel as claimed in claim 1 topside multilayer antiknock safeguard structure, it is characterized in that, described shell plating, the 2nd shell plating, the first separation plate, the 2nd separation plate and the 3rd separation plate are metal clip central layer, the polymer core sandwich of layers that described metal clip central layer comprises the outside plate towards ship side direction, deviates from the interior plate in ship side direction and be filled between outside plate and interior plate, described metal clip central layer two ends are all closed with transverse slat.
3. naval vessel as claimed in claim 2 topside multilayer antiknock safeguard structure, is characterized in that, described outside plate, interior plate and transverse slat all adopt thickness to be that the high tensile steel plate of 3��25mm is made.
4. naval vessel as claimed in claim 2 topside multilayer antiknock safeguard structure, is characterized in that, described outside plate thickness a is greater than interior plate thickness b, polymer core sandwich of layers thickness c and outside plate thickness a than c/a > 3.
5. naval vessel as claimed in claim 2 topside multilayer antiknock safeguard structure, is characterized in that, described polymer core material is urethane.
6. naval vessel as claimed in claim 1 topside multilayer antiknock safeguard structure, is characterized in that, the spacing E of described longitudinal box girder is 2��2.5 times of longitudinal box girder vertical direction length of side F.
7. naval vessel as claimed in claim 1 topside multilayer antiknock safeguard structure, is characterized in that, the cross section of described longitudinal box girder is square, and longitudinal box girder adopts high tensile steel plate to make, and each inwall of longitudinal box girder is equipped with stiffening web.
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| CN201410188128.5A CN103991518B (en) | 2014-05-07 | 2014-05-07 | Naval vessel topside multilayer antiknock safeguard structure |
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| CN201410188128.5A CN103991518B (en) | 2014-05-07 | 2014-05-07 | Naval vessel topside multilayer antiknock safeguard structure |
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| CN103991518B true CN103991518B (en) | 2016-06-01 |
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| CN109515615A (en) * | 2018-12-11 | 2019-03-26 | 中国人民解放军海军工程大学 | Vacuole collapsing formula protects fluid cabin |
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| CN106741595A (en) * | 2016-12-20 | 2017-05-31 | 武汉理工大学 | A kind of interlayer defends longitudinal wall |
| CN107878717B (en) * | 2017-12-13 | 2024-04-02 | 中国人民解放军陆军军事交通学院镇江校区 | Externally hung shape-keeping lightning protection cabin |
| CN109131805B (en) * | 2018-08-03 | 2019-11-26 | 武汉理工大学 | Battleship based on release and subdivision function protects liquid tank |
| CN109795611B (en) * | 2019-02-20 | 2021-04-16 | 中国人民解放军海军工程大学 | Method for processing light high-rigidity composite pressure-resistant shell structure of underwater vehicle |
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| CN116080846B (en) * | 2023-02-22 | 2024-07-12 | 中国人民解放军92942部队 | Flexible protection device |
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| CN1089562A (en) * | 1993-05-13 | 1994-07-20 | 谢培寿 | A kind of way to play for time of ship collision and device |
| JP3978796B2 (en) * | 1996-11-26 | 2007-09-19 | 株式会社Ｉｈｉ | Electrocoating protection method using shop primer steel plate |
| CN2382600Y (en) * | 1999-08-10 | 2000-06-14 | 蔡文杰 | Collision reducing device for moving body |
| JP3349119B2 (en) * | 1999-08-11 | 2002-11-20 | 株式会社ナカボーテック | Long-term corrosion protection for offshore steel structures |
| CN2440002Y (en) * | 2000-08-21 | 2001-07-25 | 肖长友 | Anti-collosion protector for ship, boat and warship |
| CN201268394Y (en) * | 2008-08-18 | 2009-07-08 | 陈军磊 | Filling type rubber fender |
| CN201923288U (en) * | 2010-06-21 | 2011-08-10 | 徐伟 | Bulletproof anti-terrorism patrol boat |
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| CN109515615A (en) * | 2018-12-11 | 2019-03-26 | 中国人民解放军海军工程大学 | Vacuole collapsing formula protects fluid cabin |
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